I Can Add and Subtract Decimals

• 4.9
• 5.6
• 5.8
• 6.0

When adding and subtracting decimals, we ALWAYS line up the decimals.

• True

• False

When Adding and Subtracting decimals

• We don't line up the Decimal point

• We line up the decimal point

• We get rid of the decimal points.

• We skip the problem

When you are adding or subtracting decimals, what do you need to make sure you do?

• Count the number of decimal places you are adding/subtracting

• Line up the decimal points

• Move the decimal the same number of places

• Ignore the decimal points

Subtraction-

• When subtracting with decimals, line the decimals up in the question.

• When subtracting with decimals, line the decimals up in the question and answer.

• When subtracting with decimals, leave the decimal until the end. Count the number of decimal places in your question and put the same number in your answer.

• When subtracting with decimals, leave the decimal until the end. Put the decimal in the answer above where it its in the question (dividend).

Adding, Subtracting, and Multiplying Decimals Practice

Question 7

Type the number only, no symbols

Mathematical Equivalence

ON

Fill in the blank.

Always _____ the decimal.

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders

Answer to a subtraction problem

• sum

• difference

• product

• quotient

What kind of math can I do to check the answer to my subtraction problem?

• Division

• Addition 

• Multiplication

• Fractions